I am getting the below error in Unity while taking build for Android
Unity Version : 5.4.1p2
Heyzap SDK Version: 10.0.9
Jdk Version: 1.8
Error
stderr[
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.a) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.banners.BannerSize$1) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.banners.b) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.banners.c) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.banners.d) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.banners.a) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.interstitials.a.c) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.interstitials.a.d) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.interstitials.a.e) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.ofw.a) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.videos.c) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.videos.a) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.videos.b) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.videos.e) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.videos.f) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.videos.h) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.videos.i) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.videos.j) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.videos.k) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.videos.l) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.videos.m) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.videos.mediation.c) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.videos.mediation.e) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.videos.n) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.videos.r) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.videos.s) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.videos.t) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.videos.o) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.videos.p) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.fyber.ads.v<message truncated>
I work on Heyzap's SDK.
Unfortunately, those warning: Ignoring InnerClasses attribute warnings are hiding the real error. We have a pending release to fix those warnings, but for now, you'll need to find the real error manually.
To find it, you will need to open up your Unity Editor log, and search for those warning: Ignoring InnerClasses attribute warnings.Underneath all of them, you will see the actual error. If you have not opened your Unity Editor log, you can find instructions on where to find it here:
https://docs.unity3d.com/Manual/LogFiles.html
Two likely options:
You have multiple copies of android-support-v4. You will see an error messages like "already added: Landroid/support/v4/text/TextUtilsCompat;". If that's it, delete a copy of support-v4 and you should be good.
You have an AndroidManifest.xml conflict. Delete the offending line and you should be good
If neither of those are it, send me the error message you do see and we'll work it out.
Related
CommandInvokationFailure: Unable to convert classes into dex format.
C:\Program Files\Java\jdk1.8.0_112\bin\java.exe -Xmx2048M -Dcom.android.sdkmanager.toolsdir="E:/adt-bundle-windows-x86_64-20140321/sdk\tools" -Dfile.encoding=UTF8 -jar "D:\Program Files\Unity5.5.0f3\Editor\Data\PlaybackEngines\AndroidPlayer/Tools\sdktools.jar" -
stderr[
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.iflytek.sunflower.b) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.iflytek.sunflower.b.c) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.iflytek.sunflower.c) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.iflytek.sunflower.task.f) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.iflytek.sunflower.task.j) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(org.apache.commons.io.FileCleaner$1) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(junit.awtui.AboutDialog$1) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(junit.awtui.TestRunner$1) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(junit.awtui.AboutDialog$2) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(junit.awtui.TestRunner$3) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(junit.awtui.TestRunner$4) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(junit.awtui.TestRunner$5) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(junit.awtui.TestRunner$6) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(junit.awtui.TestRunner$7) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(junit.awtui.TestRunner$8) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(junit.awtui.TestRunner$9) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(junit.extensions.ActiveTestSuite$1) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(junit.extensions.TestSetup$1) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(junit.awtui.TestRunner$10) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(junit.awtui.TestRunner$2) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(junit.framework.TestResult$1) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(junit.framework.TestSuite$1) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(junit.swingui.AboutDialog$1) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(junit.swingui.AboutDialog$2) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(junit.swingui.FailureRunView$1) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(junit.swingui.TestHierarchyRunView$1) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(junit.swingui.TestRunner$1) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(junit.swingui.TestRunner$12) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring InnerClasses attribute for an anonymous inner class
(junit.swingui.TestRunner$13) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is not an inner class.
warning: Ignoring Inne
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According to the documentation on value classes, they may be allocated under a number of circumstances:
Allocation Summary
a value class is treated as another type.
a value class is assigned to an array.
doing runtime type tests, such as pattern matching.
Is there anyway to say,throw a compilation error if these circumstances occur?
There is nothing built-in (AFAIK).
You could write an SBT plugin which inspects the .class files after compile task finishes (using a library like BCEL, ASM, etc.) and fails if it finds any value class constructor calls.
Alternately, you should be able to do the same with a compiler plugin (unfortunately, documentation I was able to find is quite old) with a little more difficulty.
For a Hobby Project of mine which includes a Compiler I need to Analyse class Files generated by scalac.
To be Specific I need to do the Following:
Find the Generic Arguments of a Class inkl. Higher order Kinds
Find Methods Anotated with a Specific Annotation
Find the Scala specific Signature of the Method inkl. Higher order Kinds
I know, that I could use scala Reflection, but I would prefer not to load the class during compiletime if possible, because this neads all the runtime dependency to be on the class path during compiletime and furter may excecute static initializers.
Is their any Library or other Tool which could simplify the task of scala class file analysis.
I have a method that need return a Iterator. Then I defined a CustomIterator class inside that method and create instance of it as the return value.
It looks fine because only that method need to know about CustomIterator. But I'm afraid if this will produce too many Class instance as scala's type system is path-related.
Each class declaration will produce exactly one class file (that is, provided it does not contain inner classes or anonymous functions itself), so you shouldn't worry about that. Moreover, unless your program is supposed to run in a limited environment, additional classes won't cause any performance problems. In any case, you should profile your program before attempting such premature optimizations.
I'm not sure what you mean by "path-related type system". Is it path-dependent types? If so, this is a completely unrelated concept which exists in Scala type system only and does not affect actual class generation.
When I rename a .scala file via Eclipse the class name itself is not renamed.
Is this expected behaviour? It does not seem to break anything.
I expect it to be renamed, coming from a Java background the filename/class name must equal each other.
correspondence between class name and file name is not required in scala.
You can (and usually do) define multiple types in each scala file.
The compiler will attempt to create a different .class file for each public type with the file name corresponding to the type name, for interoperability with java (for complex or nested types that don't have a direct correspondence in java, scalac will produce .class files with strange/mangled names...)
A few notes on why this correspondence is not enforced (probably not a complete list, but just to give you an idea):
it would be wasteful, given scala's terseness. case class Foo(foo:String) corresponds to a complete and somewhat sophisticated java class, but having it in its own file seems wasteful...
it would decrease code readability. Sometimes you define a hierarchy of case classes that correspond (for instance) to various messages you send to an actor. Having them together underlines their intent.
often it would be pointless. A relatively simple definition in scala, like trait Fooer {def foo="foo"} may be translated to various java-like types, that implement the "interface with a default implementation" nature of a trait. This gets worse for nested object/classes/types allowed by scala's syntax and used in some common scala patterns.
there are Scala semantics (sealed traits in particular) that actually require having multiple classes defined in a single file (credit to #DaveGriffith 's comment below)
In scala a .scala file can contain many (public) classes or packages.
The file name in scala does not have to match any of the class names in the file. You can have as many classes as you want in a scala file. The package structure also does not have to match the folder structure, although it is recommended to to be aligned.